Discovery of which one of the following is co | vedclass

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(A) The discovery of $Cytokinins$ is linked to the observation by $Miller$ and $Skoog$ that the internodal segments of $Tobacco$ stems proliferated on

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Cytokinins

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(A) The discovery of $Cytokinins$ is linked to the observation by $Miller$ and $Skoog$ that the internodal segments of $Tobacco$ stems proliferated only when the nutrient medium was supplemented with one of the following: extracts of vascular tissues,yeast extract,coconut milk,or $DNA$. It was later identified that the active substance in autoclaved herring sperm $DNA$ was a kinetin,which is a form of $Cytokinin$.

Discovery of which one of the following is connected with the use of an old sample of $DNA$ in a culture medium?

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